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Under Pressure? TPMS Dashboard Light Lets You Know


Newer model vehicles are equipped with a tire pressure monitoring system (TPMS) to warn drivers that at least one of their tires is underinflated. The dashboard light looks like an exclamation point inside of a horseshoe and, if illuminated, should be addressed immediately, says the non-profit Car Care Council.

"When the TPMS light goes on, it should not be ignored. Driving on underinflated tires can lead to an accident or cause damage to your vehicle," said Rich White, executive director, Car Care Council. "As part of a proactive auto care plan, tire pressure should be checked monthly, including the spare, as tires can lose pressure due to a number of factors, including seasonal temperature changes."

All vehicles manufactured after September 2007 feature a tire pressure monitoring system. When the TPMS warning light comes on, it means pressure in at least one of the tires has fallen 25 percent under the recommended pressure. Low tire pressure can be due to a number of factors, including climate, road hazards and driving conditions. Once the tires are inflated to the correct pressure as outlined in the owner's manual, the warning light should go off. However, some vehicles may require a professional service technician to reset the light.

According to the council's free 80-page Car Care Guide, tires that are not properly inflated also add rolling resistance that makes the engine work harder to move the vehicle. This can lead to lower gas mileage and potential damage to the vehicle.

"In addition to safety concerns, underinflated tires can cost you more at the pump," said White. "Simply inflating tires to the proper level can improve gas mileage by 3.3 percent or 10 cents per gallon."

Source: Car Care Council


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The team at Henderson Auto went above & beyond & far exceeded our expectations!! The week of 9/6 we left our home in SoCal on a 4 week road trip in NoCal the battery light came on and we limped into a Ford dealership where they diagnosed a bad battery and weak alternator.they replaced the battery & sent us on our way in Beaverton we again went completely dead, called AAA which took us to a nearby Ford dealer where we were told it would be 9/19 before they could look at our F-150. I called another dealer and they sad it would be 9/30 before they could check it friend recommended we try Henderson as did the tow truck driver Henderson said it may be the 13th before they could check the truck took it to Henderson on the 8th, they did a 10 point inspection on the 9th, repaired everything that needed fixed including a new alternator (urgent), headlight, license plate light (non-urgent) and had the truck ready for a touch free pickup on that afternoon!! A gigantic thank you to Brian, Katie & their team for keeping our trip on schedule!!

, 09/13/2021

I picked up my 4Runner today after an alignment on Monday and a recheck today. I was very pleased to see that it holds straight on the freeway. Thank you for helping me work through this issue. I also wanted to thank you very much for the new caster for which you did not charge. That is ABOVE AND BEYOND service. I will definitely keep you in mind for future work and have already told two people about you.

, 07/30/2020

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With an amazing owner, and high level of quality and care! Wouldn't refer anyone for a repair any where else!

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